[PATCH] render: Fix leak of filter params

[Chris Wilson]

==11097== 2,048 (+1,640) bytes in 32 (+26) blocks are definitely lost in loss record 1,570 of 1,719
==11097==    at 0x4C2A2DB: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==11097==    by 0x225EF3: SetPicturePictFilter (filter.c:339)
==11097==    by 0x22DF4F: ProcRenderSetPictureFilter (render.c:1773)
==11097==    by 0x15D25D: Dispatch (dispatch.c:432)
==11097==    by 0x14C7B9: main (main.c:298)

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 render/picture.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/render/picture.c b/render/picture.c
index 7da9310..92176fa 100644
--- a/render/picture.c
+++ b/render/picture.c
@@ -1441,6 +1441,7 @@ FreePicture(void *value, XID pid)
 
     if (--pPicture->refcnt == 0) {
         free(pPicture->transform);
+	free(pPicture->filter_params);
 
         if (pPicture->pSourcePict) {
             if (pPicture->pSourcePict->type != SourcePictTypeSolidFill)
-- 
1.8.5.3